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      <base href="https://bugs.freedesktop.org/">
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    <body><table border="1" cellspacing="0" cellpadding="8">
        <tr>
          <th>Bug ID</th>
          <td><a class="bz_bug_link 
          bz_status_NEW "
   title="NEW - linux 4.9-r1: gpu hangs after hibernation"
   href="https://bugs.freedesktop.org/show_bug.cgi?id=98287">98287</a>
          </td>
        </tr>

        <tr>
          <th>Summary</th>
          <td>linux 4.9-r1: gpu hangs after hibernation
          </td>
        </tr>

        <tr>
          <th>Product</th>
          <td>DRI
          </td>
        </tr>

        <tr>
          <th>Version</th>
          <td>XOrg git
          </td>
        </tr>

        <tr>
          <th>Hardware</th>
          <td>x86-64 (AMD64)
          </td>
        </tr>

        <tr>
          <th>OS</th>
          <td>Linux (All)
          </td>
        </tr>

        <tr>
          <th>Status</th>
          <td>NEW
          </td>
        </tr>

        <tr>
          <th>Severity</th>
          <td>normal
          </td>
        </tr>

        <tr>
          <th>Priority</th>
          <td>medium
          </td>
        </tr>

        <tr>
          <th>Component</th>
          <td>DRM/Intel
          </td>
        </tr>

        <tr>
          <th>Assignee</th>
          <td>intel-gfx-bugs@lists.freedesktop.org
          </td>
        </tr>

        <tr>
          <th>Reporter</th>
          <td>ziegler@uni-freiburg.de
          </td>
        </tr>

        <tr>
          <th>QA Contact</th>
          <td>intel-gfx-bugs@lists.freedesktop.org
          </td>
        </tr>

        <tr>
          <th>CC</th>
          <td>intel-gfx-bugs@lists.freedesktop.org
          </td>
        </tr></table>
      <p>
        <div>
        <pre>Created <span class=""><a href="attachment.cgi?id=127347" name="attach_127347" title="The ..config for my linux kernel">attachment 127347</a> <a href="attachment.cgi?id=127347&action=edit" title="The ..config for my linux kernel">[details]</a></span>
The ..config for my linux kernel

If I hibernate from the console, thaw, and switch between the console
and X, the gpu hangs itself. The machine becomes unresponsive except
for the power button.

    21:12:16  kernel: [drm] GPU HANG: ecode 8:0:0x0f71ffff, in Xorg [2047],
reason: Hang on render ring, action: reset
    21:12:16  kernel: [drm] GPU hangs can indicate a bug anywhere in the entire
gfx stack, including userspace.
    21:12:16  kernel: [drm] Please file a _new_ bug report on
bugs.freedesktop.org against DRI -> DRM/Intel
    21:12:16  kernel: [drm] drm/i915 developers can then reassign to the right
component if it's not a kernel issue.
    21:12:16  kernel: [drm] The gpu crash dump is required to analyze gpu
hangs, so please always attach it.
    21:12:16  kernel: [drm] GPU crash dump saved to /sys/class/drm/card0/error
    21:12:16  kernel: drm/i915: Resetting chip after gpu hang

I tried to bisect, and found

  commit 068715b922a6f87c454cdfa15bb8049d2076eee6
  Author: Chris Wilson <<a href="mailto:chris@chris-wilson.co.uk">chris@chris-wilson.co.uk</a>>
  Date:   Thu Aug 18 17:17:11 2016 +0100

    drm/i915/cmdparser: Add the TIMESTAMP register for the other
    engines

as the first bad commit, i.e with a gpu hang after hibernation. This
sseems spurious, reverting this commit didnt not help.

This is a Lenoveo T450s with Broadwell-U Integrated Graphics. I attach
my .config and /sys/class/drm/card0/error.

    Regards,
    Martin</pre>
        </div>
      </p>


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